YouTube is a place to discover, watch, upload and share videos.

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Twitter is without a doubt the best way to share and discover what is happening right now.

ShowMe is an open online learning community where anyone can learn and teach any topic. Our iPad app lets you easily create and share video lessons.

Change.org is the leading site for social change, providing daily news and information about important social issues and empowering people to take act...